1-New System development requires first to understand the system AS-IS, identify
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Question
1-New System development requires first to understand the system AS-IS, identify improvements, and propose the system TO-BE. This new system can be simple change or complex. It is classified by three techniques: BPA, BPI, and BPR.
2-Explain the three abbreviations above, and talk about the development effort required by each. Support your answer by examples.
3-Case Study: Suppose you are a project manager using the Waterfall development methodology on a large and complex project. Your manager has just read the latest article in Computerworld that advocates replacing the Waterfall methodology with Prototyping and comes to your office requesting you to switch. What do you say?
4-Discuss what is the difference between the two methodologies, and what are the advantages and disadvantages (or limitation) of each?
Explanation / Answer
Once a strategy is chosen, ever-changing it'll inevitably cause schedule slips and price overruns. it's going to additionally lead to a product that fails to fulfill the necessities originally such for it. With these words of caution, however, the water methodology is maybe the most effective one from that to modify, as a result of every section is totally self-contained. If it were necessary to modify methodologies (which continues to be not an honest idea), then it might be coordinated at a activity to scale back the adverse effects. the sole cheap answer you'll be able to give is that, unless there's associate inevitable reason to try to to therefore, the methodology shouldn't be changedOpinion of commutation the water methodology with the prototyping: the event of any project is involving the investment for a protracted term or short term. the choice manufacturers set the goal for the project it's to be consummated by the project inside the expected price, involving all the risks and complications. comes area unit classified by size of the individuals, cost, purpose, length, risk, scope, and amount. The project manager can instruct to implement the new paradigm model, there's a desire to elucidate the advantages of the water methodology; it's smart and reliable for the advanced and enormous comes. Thus, the model has been used in this project which makes the project work easier and simplified. The prototyping methodology is a complex one, It is not useful in the complex projects, without experience of the prototyping methodology, implementation of this technique may create problems and make the process much complicated. The earliest development decisions for the system are also may not be useful, because it is just only a part of the project feature and this technique may be inappropriate. Therefore, I will try to make the decision for the waterfall methodology implementation.Methodologies are a form of the steps and sequence required to carry out for the completion of the project so that project can be implemented on time and successfully. Account system is some sort of complex system but it must be reliable and easy to use.
BPA stands for bisphenol A. BPA is an industrial chemical that has been used to make certain plastics and resins since the 1960s.BPA is found in polycarbonate plastics and epoxy resins. Polycarbonate plastics are often used in containers that store food and beverages, such as water bottles. They may also be used in other consumer goods.Epoxy resins are used to coat the inside of metal products, such as food cans, bottle tops and water supply lines. Some dental sealants and composites also may contain BPA.Some research has shown that BPA can seep into food or beverages from containers that are made with BPA. Exposure to BPA is a concern because of possible health effects of BPA on the brain, behavior and prostate gland of fetuses, infants and children. Additional research suggests a possible link between BPA and increased blood pressure.However, the Food and Drug Administration (FDA) has said that BPA is safe at the very low levels that occur in some foods. This assessment is based on review of hundreds of studies.The FDA is continuing its review of BPA, including supporting ongoing research. In the meantime, if you're concerned about BPA, you can take these steps to reduce your exposure:Use BPA-free products. Manufacturers are creating more and more BPA-free products. Look for products labeled as BPA-free. If a product isn't labeled, keep in mind that some, but not all, plastics marked with recycle codes 3 or 7 may be made with BPA.Cut back on cans. Reduce your use of canned foods since most cans are lined with BPA-containing resin.Avoid heat. The National Institute of Environmental Health Sciences, part of the National Institutes of Health, advises against microwaving polycarbonate plastics or golf shot them within the dishwasher, as a result of the plastic could break down over time and permit BPA to leach into foods.Use alternatives. Use glass, ceramic ware or chrome steel containers for decent foods and liquids rather than plastic containers.
The purpose of business method improvement is to fulfill client demands and business goals a lot of effectively. instead of drawing out amendment management in progressive steps, compactness seeks to bring forceful transformation in associate organization's performance. In IT, business method improvement addresses the basis causes of method or system deficiencies to harmonize IT and business goals. method mapping, that assesses business operations to pinpoint downside areas and regulate work flow, is commonly the primary step during a larger business method improvement effort
The construct of BPR was initial introduced within the late Michael Hammer's 1990 Harvard Business literary criticism and received inflated attention many years later, once Hammer and James Champy printed their popular book, Reengineering the Corporation. The authors promoted the thought that sometimes-radical design associated reorganization of an enterprise is important to lower prices and increase quality of service which data technology is that the key enabler for that radical amendment.
Hammer and Champy instructed seven reengineering principles to contour the work method and thereby come through vital levels of improvement in quality, time management, speed and profitability:
Organize around outcomes, not tasks. establish all the processes in a corporation and rate them so as of design urgency. Integrate science work into the important work that produces the data. Treat geographically spread resources as if they were centralized.Link parallel activities within the work flow rather than simply group action their results. place the choice purpose wherever the work is performed, and build management into the method. Capture data once and at the supply.
Business Process Improvement (BPI) is a systematic approach to help any organization make significant changes in the way it does business. The organization may be a for-profit business, a non-profit organization, a government agency, or any other ongoing concern.
Business Process Reengineering is a management approach aiming at improvements by means of elevating efficiency and effectiveness of the processes that exist within and across organizations. It is a fundamental and radical approach by either modifying or eliminating non-value adding activities
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